12433015

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 17926272

約数和(自身を除く): 5493257

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 1637, 7595, 8185, 11459, 50747, 57295, 80213, 253735, 355229, 401065, 1776145, 2486603, 12433015]

約数ペア:

[(1, 12433015), (5, 2486603), (7, 1776145), (31, 401065), (35, 355229), (49, 253735), (155, 80213), (217, 57295), (245, 50747), (1085, 11459), (1519, 8185), (1637, 7595)]